Sheril's post, Chimpanzees Are NOT Pets!, is good. She notes:
1 Chimpanzees are wild animals. Animals that make good PETS like dogs and cats, have been domesticated for [thousands] of years. There has been selection on them against aggression, which is why a dog, unlike a wolf, will not automatically tear you to pieces. Anyone who has a pet chimpanzee for long enough will eventually no longer be able to control them and will either get a body part bitten off or will have to use extreme force to control them. Chimps live to be 50 years old and grow almost as big as a human male. They have extremely powerful muscles and are 5-10 stronger than a heavy weight boxer.
There is some more nuance to this. 1) Dog breeds differ in temperament, so not all are equally fluent in the ways of man 2) Dogs can read human ...